American Public Health Association
A national professional membership and advocacy organization representing public health professionals and advancing population health policy, science, and practice.
Last updated August 22, 2026
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Overview
The American Public Health Association (APHA) is a Washington, D.C.–based professional membership, publishing, education, and advocacy organization serving the public health community in the United States. Founded in 1872 by physicians including Stephen Smith and Henry Hartshorne, it is one of the country’s oldest public health organizations and is widely described as the largest professional association for public health professionals in the United States. Its membership and professional activities also extend internationally. APHA brings together practitioners, researchers, educators, students, government officials, and other people working across public health disciplines. Its organizational structure includes professional sections, special interest groups, forums, caucuses, and state-based affiliates. These groups cover areas such as epidemiology, environmental health, health education, statistics, maternal and child health, mental health, health administration, injury prevention, and health equity. State affiliates are separate legal entities but maintain formal relationships with APHA and representation in its governance. The association combines professional development with public policy advocacy. It publishes scientific and professional material, convenes public health experts, supports education and capacity building, communicates research to policymakers and the public, and adopts policy positions on issues affecting population health. APHA’s stated mission centers on improving public health and advancing equity in health status. Its advocacy commonly addresses access to health care, disease prevention, environmental conditions, emergency preparedness, racial and social inequities, reproductive health, and evidence-based public policy. APHA’s principal public-facing institutions include the American Journal of Public Health, a peer-reviewed monthly journal; The Nation’s Health, a monthly public health newspaper; and a substantial book and reference publishing program. Its publications include technical manuals and practice guides used by health departments, laboratories, researchers, and other professionals. Membership benefits include access to these publications, newsletters, online communities, webinars, and professional networks. The association’s annual meeting and exposition is its most prominent recurring professional event. It is among the world’s largest gatherings devoted to public health and includes scientific sessions, professional education, policy discussions, exhibits, and networking. APHA also organizes National Public Health Week during the first full week of April, using the observance to explain public health’s role and highlight topics relevant to improving community health. Other initiatives have included preparedness and public education efforts such as the Get Ready campaign. APHA is governed through a Governing Council made up of representatives from member sections and independent state affiliates. The council establishes official policy positions and elects an executive board responsible for overseeing operations. The organization also recognizes public health contributions through national and section-level awards. It remains an active professional association whose work spans research translation, workforce development, public communication, professional standards, and federal and state policy advocacy.
History
The American Public Health Association was established in 1872 by physicians and public health advocates, including Stephen Smith and Henry Hartshorne. Its creation reflected the growing recognition that sanitation, infectious disease control, environmental conditions, and organized medical services required coordinated public action rather than relying only on individual clinical care. From its earliest period, APHA developed as a professional forum for exchanging knowledge and influencing the development of public health institutions in the United States. Over the following century and a half, APHA participated in or supported many of the major developments that shaped modern public health. Its activities have followed the changing priorities of the field, including communicable disease prevention, environmental health, water and sanitation standards, maternal and child health, health education, epidemiology, health services, emergency preparedness, and the reduction of health disparities. The association’s work has combined professional networking and scientific communication with policy advocacy directed at government and other institutions. APHA gradually developed a federated membership structure. Professional sections organize members around disciplines and practice areas, while forums, special interest groups, and caucuses provide additional ways to collaborate around subjects or populations. State-based affiliates operate as independent organizations but work closely with APHA and participate in its governance. This structure allows the association to represent a wide range of public health specialties while maintaining a national policy voice. Publishing became a central part of APHA’s identity. The association publishes the American Journal of Public Health, a peer-reviewed journal covering research, practice, and policy, and The Nation’s Health, which reports on public health developments and association activities. It also produces books, manuals, and professional references, including works on communicable disease control, water and wastewater examination, disaster management, health inequities, and reproductive health. These publications support both academic work and practical operations in health departments and related organizations. APHA’s annual meeting and exposition evolved into a major international gathering for public health professionals. The event provides scientific presentations, professional education, exhibits, and policy discussion across the full range of public health disciplines. In addition to its annual meeting, APHA established recurring public education activities such as National Public Health Week, held during the first full week of April. The observance promotes awareness of public health systems, prevention, equity, and community action. In the twenty-first century, APHA has continued to combine traditional professional association functions with active advocacy. It has addressed health-care access, preparedness, environmental risks, health inequities, and science-based policy. During the legal and political challenges to the Affordable Care Act, APHA opposed efforts to repeal the statute through litigation and argued that maintaining coverage protections was important to population health. The association remains headquartered in Washington, D.C., and continues to operate as a membership organization with national policy influence, professional publications, conferences, education, awards, and public communication programs.
- 2022
150th anniversary
[1]APHA marked 150 years of public health professional activity and advocacy.
- 1995
National Public Health Week begins
[1]APHA developed an annual public observance focused on communicating the value of public health and prevention.
- 1909
American Journal of Public Health established
[1]APHA’s principal peer-reviewed journal became a major channel for public health research, practice, and policy discussion.
- 1872
Association founded
[1]Physicians including Stephen Smith and Henry Hartshorne helped establish APHA as a national professional organization devoted to public health.
Products and positioning
A broad-based professional association combining public health science, workforce development, publishing, policy advocacy, and public education.
Peer-reviewed journal
American Journal of Public Health
APHA’s monthly scholarly journal publishes research, analysis, and commentary across public health science, policy, and practice. It serves researchers, educators, practitioners, and policymakers and is one of the association’s most prominent professional communication platforms.
Professional newspaper
The Nation’s Health
A monthly publication covering public health news, professional developments, policy issues, and APHA activities. It provides a more accessible news and association-information format than the organization’s scholarly journal.
Professional reference publishing
Public health books and manuals
APHA publishes a broad catalog of technical and professional books, including references on communicable disease control, water and wastewater testing, disaster management, health inequities, reproductive health, and public health administration.
Conference and exhibition
APHA Annual Meeting and Exposition
The association’s largest recurring event brings together public health professionals for scientific sessions, continuing education, exhibits, policy discussions, and networking across the breadth of the field.
Marketing campaigns
- National Public Health Week
United States
An annual observance held during the first full week of April. APHA uses it to raise public awareness about prevention, health equity, public health infrastructure, and issues affecting communities.
Outcome. Established a recurring public education platform associated with APHA and the broader public health profession.
- Get Ready
United States
A preparedness-oriented public education initiative intended to help individuals and communities prepare for pandemics, disasters, and other public health emergencies.
Brand decisions
2019
Opposition to Affordable Care Act repeal litigationOtherBackground
Litigation supported by the Trump administration sought to invalidate the Affordable Care Act, a law affecting health-care access and coverage protections.
Action taken
APHA condemned the litigation and later opposed a related filing asking the Supreme Court to repeal the law.
Aftermath
The Supreme Court left the Affordable Care Act in place in June 2021.
Recent events
- 2021
Supreme Court leaves the Affordable Care Act in place[1]
Lawsuit · Regulation
After APHA advocated against efforts to repeal the Affordable Care Act through litigation, the Supreme Court’s decision left the law in force.
- 2019
APHA opposes litigation seeking to invalidate the Affordable Care Act[1]
Lawsuit · Regulation
APHA publicly condemned litigation supported by the Trump administration that sought to overturn the Affordable Care Act and later opposed a related filing before the U.S. Supreme Court.
Sources4 sources
- 1American Public Health Associationen.wikipedia.org
- 2American Public Health Association official websiteapha.org
- 3HSS Receives Betty J. Cleckley Minority Issues Research Award from American Public Health Associationprnewswire.com
- 4YouTube teams up with providers, healthcare groups to combat health misinformation - MedCity Newsmedcitynews.com
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